let H	=  1.008;
let He	=  4.002;
let Li	=  6.94;
let Be	=  9.012;
let B	=  10.81;
let C	=  12.011;
let N	=  14.007;
let O	=  15.999;
let F	=  18.998;
let Ne	=  20.180;
let Na	=  22.990;
let Mg	=  24.305;
let Al	=  26.982;
let Si	=  28.085;
let P	=  30.974;
let S	=  32.06;
let Cl	=  35.45;
let Ar	=  39.95;
let K	=  39.098;
let Ca	=  40.078;
let Sc	=  44.956;
let Ti	=  47.867;
let V	=  50.942;
let Cr	=  51.996;
let Mn	=  54.938;
let Fe	=  55.845;
let Co	=  58.933;
let Ni	=  58.693;
let Cu	=  63.546;
let Zn	=  65.38;
let Ga	=  69.723;
let Ge	=  72.630;
let As	=  74.922;
let Se	=  78.971;
let Br	=  79.904;
let Kr	=  83.798;
let Rb	=  85.468;
let Sr	=  87.62;
let Y	=  88.906;
let Zr	=  91.224;
let Nb	=  92.906;
let Mo	=  95.95;
let Tc	=  98;
let Ru	=  101.07;
let Rh	=  102.91;
let Pd	=  106.42;
let Ag	=  107.87;
let Cd	=  112.41;
let In	=  114.82;
let Sn	=  118.71;
let Sb	=  121.76;
let Te	=  127.60;
let I	=  126.90;
let Xe	=  131.29;
let Cs	=  132.91;
let Ba	=  137.33;
let La	=  138.91;
let Ce	=  140.12;
let Pr	=  140.91;
let Nd	=  144.24;
let Pm	=  145.00;
let Sm	=  150.36;
let Eu	=  151.96;
let Gd	=  157.25;
let Tb	=  158.93;
let Dy	=  162.50;
let Ho	=  164.93;
let Er	=  167.26;
let Tm	=  168.93;
let Yb	=  173.05;
let Lu	=  174.97;
let Hf	=  178.49;
let Ta	=  180.95;
let W	=  183.84;
let Re	=  75;
let Os	=  190.23;
let Ir	=  192.22;
let Pt	=  195.08;
let Au	=  107.87;
let Hg	=  200.59;
let Tl	=  204.38;
let Pb	=  207.2;
let Bi	=  208.98;
let Po	=  209;
let At	=  210;
let Rn	=  222;
let Fr	=  223;
let Ra	=  226;
let Ac	=  227;
let Th	=  232.04;
let Pa	=  231.04;
let U	=  238.03;
let Np	=  237;
let Pu	=  244;
let Am	=  243;
let Cm	=  247;
let Bk	=  247;
let Cf	=  251;
let Es	=  252;
let Fm	=  257;
let Md	=  258;
let No	=  259;
let Lr	=  266;
let Rf	=  267;
let Db	=  268;
let Sg	=  269;
let Bh	=  270;
let Hs	=  277;
let Mt	=  278;
let Ds	=  281;
let Rg	=  282;
let Cn	=  285;
let Nh	=  286;
let Fl	=  289;
let Mc	=  290;
let Lv	=  293;
let Ts	=  294;
let Og	=  294;